Lithograph print, portrait of John Braithwaite

Portrait, John Braithwaite by 'W. Black' and Co. 1869, George Bridges Black (1865-1869) 60 Regent Street West London. Print, lithograph 57x41cm., oval image 39x32cm. With facsimile signature. Portrait, TQL seated to L beside table; l. hand holding a book. John Braithwaite (1797-1870) English engineer who invented the first steam engine .